Once you've done the rest, Take the Challenge

July 25th, 2026

100 Miles – 3  Cat 1 Climbs – 11,164′ Vertical Gain

The Colorado Park 2 Park Challenge is a single-day Gran Fondo from Denver’s City Park to Winter Park Resort, climbing three of Colorado’s toughest mountains. Riders are challenged to earn a coveted gold, silver or bronze custom trophy based on your finishing time to the top of Berthoud Pass. 

Register at BikeReg.com

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